Abstract: An operating and control device, for example for an electric motor, includes a support having by a first metal part in which is formed a network of conduits conveying a cooling fluid for electrical elements, and a second part, made of insulating material, housing electrical links for connections with those electrical elements, a source of energy and other electrical components. The invention applies in particular to automobiles with an electric motor.

Abstract: An anti-wheel-lock braking system for a motor vehicle includes a main electronic controller having a device for detecting a failure of the main controller and an emergency electronic controller, independent of the main controller and provided with apparatus to decrease braking of the rear wheels when failure of the main controller is detected.

Abstract: An electro-hydraulic braking corrector for electrically powered vehicles is connected between the brake system master cylinder and the hydraulic system of the brake system. This braking corrector includes a device for modifying the hydraulic braking pressure exerted upon an axle as a function of the braking torque of the electric propulsion motor. In addition, the braking force can be modified as a function of the axle load.

Abstract: A plastic material is injected in the fluid state into a flexible closed mold having a molding cavity in which is placed the edge of a glass pane. The plastic material is injected into the cavity of the mold in the inert state and is then activated by high-frequency electromagnetic radiation or by microwave radiation. An insert is placed in the cavity of the mold before the injection of the plastic material. The injection and subsequent hardening of the plastic material are carried out inside the cavity of the mold in which cavity the edge of the glass pane and the insert are arranged in their definitive relative position. Glass panes for motor vehicles having a trim strip or elements such as ducts, cables or fastening screws can be prepared.

Abstract: This device in which the elements are linked by two information transmission lines (2, 3) and each of which includes information sending and reception circuits (4, 5), linked to a protocol handler (6), is characterized in that the reception circuit (5) of each element (1) comprise three comparators (7, 8, 9), a first comparator (7) receiving the signals transiting on the two lines (2, 3), a second comparator (8) receiving the signals transiting on a line (2) and a third comparator (9) receiving the signals transiting on the other line (3) and, interposed between the output of these comparators (7, 8, 9) and the information input (RC) of the handler (6), a circuit (10) for selective connection of the output (R0) of the first comparator (7) or of the output of a circuit for logically combining the outputs (R1, R2) of the second and third comparators (8, 9), to the input of the protocol handler (6), under the control of the latter as a function of the state of the signals present at its input, in order to permit

Abstract: A guide mechanism for a slidable access element, such as a sliding door of an automotive vehicle, includes a slide mounted in a groove formed by a vehicle body stamping in proximity to a glass surface or the like. The groove is designed and dimensioned such that the glass surface rests on a gasket fastened to the body in the vicinity of an edge of the groove. The edge is located on the side of the glass surface. The glass surface extends past the gasket in the direction of the other edge of the groove until it covers approximately one half of the groove and the slide. The mechanism is particularly applicable to lateral sliding doors of vehicles.

Abstract: The invention proposes a hydroelastic support (10) intended to be interposed between two assemblies to be suspended one with regards to the other, of the type comprising two armatures (12, 14) joined together by a block of elastomer material (16), a working chamber (26) and an expansion chamber (33), connected together by a communication passage (34), and of the type in which the working chamber (26) is delimited in part by a movable diaphragm (30) whose external face (42) comprises a push-rod (44) with which there cooperates a device of the connecting-rod (50) and crank (62, 66) type for driving the movable diaphragm, in which the small end (54) of the connecting-rod (50) is connected to the push-rod (44) and in which the shaft (66) for driving the crank (62) in rotation is mounted so as to turn in a bearing (70) fixed to one (12) of the two armatures.

Abstract: The present invention concerns a process and an apparatus for the detection of obstacles. The apparatus includes a video camera (2) for the viewing of the scene, a range apparatus (3) to measure the distance d of obstacles, the range apparatus (3) being coupled to an assembly (6, 7) for the deflection of the pulsed radiation emitted by the telemetric apparatus (3), and signal conditioner (16) designed to produce, from the synchronization signals of the field (ST) and the line (SL) of a video signal of the camera (2), signals making it possible to cause, in the same uneven field, the emission of pulsed radiation and the horizontal scanning movement of a mirror. The conditioner (16) further makes possible the synchronous recording, on a standard video tape recorder, conventional video signals and digitally coded range signals.

Abstract: A hydroelastic mounting for interpositioning between two assemblies to be suspended with respect to one another, for example in suspending an engine in an automobile, has its components arranged in the general direction of stress on the mounting. The components include a first armature, a working chamber defined at least partially by an elastomer block, and a movable diaphragm that delimits the working chamber. Movement of the diaphragm is controlled in the direction of stress. The components further include an expansion chamber delimited by the movable diaphragm and by a flexible membrane as well as a second armature linked to the elastomer block. The working and expansion chambers are at least partially filled by a liquid and are linked together by a communication passage. The mount also includes a deformable assembly which cooperates with the movable diaphragm to control displacements thereof. A control device applies a deformation force to the deformable assembly.

Abstract: This device includes a signal processor (30,35,36,37,38,47,49) to generate sampling signals of information present on a network, and a selection circuit (43) for loading the signal processor with at least one synchronization value (44, 45) corresponding to at least one propagation time for information in the network to synchronize the station according to the transmission characteristics of the network.

Abstract: The invention proposes a hydroelastic support intended to be interposed between two assemblies to be suspended by one with regard to the other, especially for the suspension of an engine in a motor vehicle, of the type comprising two armatures connected respectively to the two assemblies, these two armatures being joined by a block of elastomer material, the support comprising at least one working chamber delimited at least in part by the block of elastomer material, and an expansion chamber, these two chambers being filled at least partially with liquid and linked together by a communication passage, and of the type in which the working chamber is also delimited in part by a movable diaphragm in elastic material and whose external face comprises a cam follower with which a cam of a drive device of the movable diaphragm cooperates in order to apply to the latter displacements controlled in such a way as to create in the working chamber pressure forces synchronous with the harmonics of the vibrations of one of

Abstract: Device for the electrical power supply of a plurality of local electrical apparatuses (12) from a single source (1), including a central bistable switch (3) connected between a terminal of the source and the power supply lines (4) of the apparatuses (12) and a central resistor (7) connected in parallel with said central switch (3), each apparatus (12) including a local resistor (8) and at least one control switch (9) in series between its power supply line (4) and the second terminal of the source, each local resistor (8) forming, together with the central resistor (7), a divider bridge connected to a central detector (10) which controls said central switch (3). Each apparatus (12) comprises means for isolating it from its power supply line (4), means for cancelling the current in the local resistor (8) and means for detecting the closure of the central switch (3) which controls the closure of the isolating means and the opening of the current cancelling means when the central switch closes.

Abstract: A device for hierarchized access to a network for transmission of information by response in a communication frame, from stations connected to this network, including a counter (62) of bits transmitted on the network, connected to an input of a comparison block (63) for comparing the number of bits transmitted on the network with a characteristic value for the access ranking allocated to this station, the comparison block being connected to a transmission block (68) from the station in order to authorize the transmission of information on the network by this station when the number of bits transmitted on the network is at least equal to the characteristic value allocated to the station.

Abstract: A brush holder device for a commutating electric machine including a ring (7) integral with the stator, brush holders (6) fastened in a mounting position on the ring and connected electrically in pairs by conductors (101, 102) the ring being located perpendicularly to an axis of rotation (X--X') of a rotor (1) of the motor (M), a part whereof projects through a center opening of the ring (7). Each brush holder includes a recess located facing the periphery of the projecting part of the rotor (1) a commutator brush (5) is mounted in the recess so as to establish an electrical contact between the rotor and the stator. The brush holders (6 ) and the conductors (101, 102) form an integral part of the ring (7) made of a thermally stable insulating material. The brush holders (6, 6') and the conductors (101, 102) are fastened in their assembly position by being molded into an insulating and thermally stable material forming the ring.

Abstract: A hydropneumatic vehicle suspension system has a cylinder with an accumulator and a damper at each wheel. There is a supplementary hydropneumatic accumulator for each axle of the vehicle and first and second supplementary dampers connected respectively between the cylinders of the wheels of an axle and the supplementary accumulator. A valve is provided for selectively switching the supplementary accumulators into and out of communication with the cylinders of the corresponding axles. Each supplementary damper has a selectively actuable throttle for varying its damping. A soft suspension is obtained when the supplementary accumulators are switched in, a medium suspension is obtained when the throttles of the supplementary dampers are also actuated, and a firm suspension is obtained when the supplementary accumulators are switched out of the circuit.

Abstract: A trim attitude correcting device for an automotive vehicle comprising three sensors detecting the angle of the steering wheel of the vehicle, the angular position of the end of an anti-banking bar connected to the rod of a jack made fast to a road wheel support in the vertical position of the wheel support onto which the casing of the jack is pivotally mounted, respectively, the signals from these three sensors being received by a computer designed to limit the length of the jack through the medium of a hydraulic regulator when the angle of the steering wheel corresponds to a steering lock of the road wheels close to the maximum and the jack or the associated end of the anti-banking bar is likely to hit a neighboring part.

Abstract: A hydropneumatic suspension strut adapted to be connected between the chassis and a wheel of an automotive vehicle. The strut has a piston with a rod having an axial passage connected to a hydropneumatic accumulator, and slides in a cylinder. A hydraulic stop arrests the movement of the piston at the end of its inward or driving stroke. The hydraulic driving stop includes, fixed to the end of the cylinder, a pin for entering an axial opening in a moving valve contained in an interior recess of the piston in such a manner that there is progressive restriction of the flow of hydraulic fluid through the valve, to cushion and stop the piston.

Abstract: The invention concerns a crankcase or cylinder block for an internal combustion engine of any type, for example, of the V or in-line cylinder type. The upper half of the crankcase comprises internal conduits which connect the upper part of the crankcase with the lower compartments separating the crankshaft bearings, these conduits making possible the exhaust of crankcase gases and the recycling of the engine oil and opening into a chamber of a flat shape, with said chamber and said internal conduits forming an integral as-cast system. The invention applies in particular to the automotive industry.

Abstract: The invention has for an object a connector with rapid high pressure fastening, including a female element (1, 32 or 48) united to a connector organ and a male element (14, 24 or 40) fixed to a connector tube (15), including an O-ring seal (21 or 43) and a locking means (13 or 53).According to the invention, the demountable locking means is composed of an elastic retaining ring (13) or a pin (53) retained by grooves (20, 25) and the toric openings (7, 23, or 31) or the apertures (46, 54) of the male and female elements.

Abstract: This method is characterized in that the data is encoded in the form of blocks of four bits in five-bit words, three bits (7) of each block being encoded according to the NRZ encoding method and one bit (8), according to the Manchester encoding method.